The Best Insulation Contractors in Cornwall, NY

Compare the highest-rated insulation professionals in Cornwall, New York. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

All Star Insulation

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated insulation contractor serving the Hudson Valley, including Orange County and Cornwall. They are known for their professionalism, expertise in a wide range of insulation types, and focus on improving home energy efficiency. They often handle both new construction and retrofit projects.

25 Scotts Corners Drive, Montgomery, NY 12549 (Approx. 15-20 minutes from Cornwall)

Specialties & Features

Spray foam insulation
Blown-in insulation
Attic insulation installation and upgrade

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Tri-State Insulation

4.7
(130 reviews)
Verified

A well-established contractor specializing in comprehensive insulation solutions and air sealing for residential and commercial properties. They are recognized for their detailed energy audits and their knowledge of available rebates and tax credits, helping homeowners maximize their savings.

60 Red Schoolhouse Road, Spring Valley, NY 10977 (Serves the broader Hudson Valley region, including Cornwall)

Specialties & Features

Energy efficiency audits
Air sealing services
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Dry-Tek Environmental

4.6
(90 reviews)
Verified

While also specializing in mold remediation and waterproofing, Dry-Tek offers expert insulation services, particularly for areas prone to moisture like basements and crawl spaces. Their integrated approach makes them a strong choice for insulation removal and replacement in older Cornwall homes where moisture control is critical.

66 Industrial Drive, Middletown, NY 10941 (Approx. 25 minutes from Cornwall)

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Wall insulation services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Cornwall

The insulation market in Cornwall and the surrounding Hudson Valley is characterized by a moderate level of competition, primarily from regional specialists rather than national chains. The quality of service is generally high, as contractors must adhere to New York State's strict building and energy codes, including the 2020 Energy Conservation Construction Code. The housing stock in Cornwall includes many older, historic homes alongside newer constructions, creating a strong demand for energy efficiency upgrades, air sealing, and moisture control. Typical pricing is in line with the higher cost of living in the New York area. As a rough estimate: * **Blown-in Cellulose/Fiberglass:** $1,500 - $4,500 for an average attic. * **Spray Foam Insulation:** $2.00 - $5.00+ per board foot, making it a premium but highly effective option. * **Wall Insulation:** $1.50 - $3.50 per square foot for blown-in, with foam being higher. Homeowners are increasingly seeking out providers who can perform energy audits and are knowledgeable about rebates from NYSERDA and federal tax credits for energy efficiency, which the top-tier providers in this market typically offer.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Cornwall regulations and climate

Frequently Asked Questions About Insulation in Cornwall

Get answers to common questions about insulation services in Cornwall, New York.

1What are the most important insulation upgrades for older homes in Cornwall, NY, given our climate?

For Cornwall's cold winters and humid summers, air sealing and adding attic insulation are the most critical first steps. Older homes here often have significant air leaks and insufficient attic R-Value. We typically recommend bringing attic insulation to at least R-49 (about 16-18 inches of blown-in cellulose or fiberglass) to meet NYS energy code recommendations for our climate zone (Zone 5), which dramatically improves comfort and reduces heating oil or gas bills.

2How does the seasonal weather in the Hudson Valley affect the best time to install insulation?

While insulation can be installed year-round, late spring and early fall are often ideal in Cornwall. These periods typically offer mild, dry weather, which is perfect for attic work and allows for proper air sealing without extreme temperatures. Winter installations are possible but may be complicated by snow cover and ice, while mid-summer attic work can be excessively hot for crews. Planning ahead for a fall installation ensures your home is sealed and ready before the first frost.

3Are there any local rebates or incentives for insulation projects in Orange County?

Yes, Cornwall homeowners should first check with NYSERDA's Home Performance with ENERGY STAR® program, which offers incentives for comprehensive air sealing and insulation upgrades. Additionally, National Grid (the local utility) provides rebates for specific insulation measures. We always recommend consulting with a participating contractor, as they can handle the incentive application process and ensure the work meets the strict program guidelines for qualification.

4What should I look for when choosing an insulation contractor in the Cornwall area?

Always verify that the contractor is licensed and insured in New York State. Look for established local companies with specific experience in Hudson Valley homes, as they understand regional challenges like stone foundations and historic building details. Crucially, choose a contractor that performs a pre-installation energy audit (often called a "blower door test") to pinpoint air leaks—this diagnostic step is key to an effective, long-term solution rather than just adding material.

5My house feels drafty. Is adding more insulation always the solution, or could there be another issue?

Drafts are primarily caused by air leaks, not just lack of insulation. In Cornwall's older homes, common leak points are around windows, doors, attic hatches, and where wiring or plumbing penetrates walls. The most effective strategy is a combination of **air sealing** first, followed by adding insulation. Sealing these leaks prevents conditioned air from escaping and stops moist outdoor air from causing potential moisture problems inside your walls, which is a critical concern for our humid summers.